Testing
How a test occurs
When a test is not in progress, the ATS waits for a test to occur. Initiate a test by scheduling one using the Test Schedule screen on the display interface, or by starting a test immediately through the Run/View Test screen. Once you have initiated a test, the ATS starts counting down until the next test will begin (the Next Test item on the Test Schedule menu). Once the Next Test time expires, the ATS will signal the generator to start. The generator will then crank in an attempt to start. If the generator does not start, the test fails and the ATS logs that the test failed. If the generator starts, and the ATS determines that Source 2 is OK, the test will begin with the configurable Warm Up time. Once the Warm Up time expires, the ATS determines whether or not you want to perform a System Load Test. This is a test the generator runs with the data center load applied.
Log
Test
Failed
Log
Test
Passed
No
If the test does not include a System Load Test, the ATS proceeds to the unloaded test
stage. If the test includes a System Load Test, the ATS transfers to Source 2. The transfer can be open or closed, depending on how the Allow Closed setting is configured on the ATS Setup menu. The load test occurs for the length of the Loaded time and, once the loaded time expires, the ATS will retransfer to Source 1 and then proceed to the unloaded test stage.
During the unloaded test stage, the generator runs for the duration of the configurable Unloaded Test time. Once the Unloaded Test time expires, the generator stops and the ATS logs either that the test was successful or that it failed. The ATS displays test results on the View Test Log menu on the Testing screen.
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